Jimmy,
I have attached a file named 'fmavto.pvd' that is an ASCII-text file. It
is a meta-file that references a series of XML-formatted *.vtu files.
ParaView reads the *.pvd file and then knows how to "assemble" the files
referenced within the *.pvd file. The important key-words in the *.pvd
files are 'timestep=...' and 'file=...' Note that the individual *.vtu
files contain the data needed for a displayable graphics object.
The key-word 'name=...' is gratuitous user-information. The key-word
'name=...' for a couple of ParaView versions around 2007 would pass this
user-information to the Extract Block filter; currently (PV version
4.0.1) the ASCII-text strings are no longer passed to the Extract Block
filter.
However, the Extract Block filter does reflect the structure implied by
the *.pvd file; the filter simply uses the ubiquitous and
not-very-helpful C-language off-set addresses of 0,1,2,3,... for the
block names.
Because of the large number of ASCII-text files that can be generated in
a transient dynamic simulation with multiple material domains using the
vtk-formats, sometime back I switched to the EnSight binary-formatted
output. In this format it is possible to provide names that will appear
in the Extract Block filter.
Hope this helps,
Regards,
Sam Key
On 10/7/2013 8:35 PM, Jimmy Chen wrote:
Samuel,
Thank you very much for the quick reply. I tried your EnSight example
and could select different polygons by using "Extract Blocks" filter.
VTK's example EnSight datasets also allows doing so.
Besides, *.vtp or *.pvtp files are not working for me. What content
should be put into vtp files to enable Paraview "Extract Blocks"? If
you also have a working vtp example that will be very helpful.
Thanks and best regards,
Jimmy
-------------------------------------------------------------
Date: Mon, 07 Oct 2013 09:03:40 -0600
From: Samuel Key <samuel...@bresnan.net>
Subject: Re: [Paraview] Which polygon file reader in Paraview has
interface to show/hide separate segments?
To: paraview@paraview.org
Message-ID: <5252cd4c.7090...@bresnan.net>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
Jimmy,
I have had success with two different ParaView readers doing what you
have described.
It is material domains that I want to examine as distinct. However,
ParaView does not care if it is a serially-generated set of material
domain, a set of processor domain results, or any criterion you want to
use. Each domain needs to be a "displayable graphics object."
Case(1) *.vtp XML format
Case(2) EnSight Gold format using that format's Part-construct.
In either case, ParaView's Extract Group filter allows one to select any
combination of domains to display. Multiple extracted sub-domains can
appear together in one window and/or in separate windows.
A small file that will let you explore this capability is attached.
Samuel W Key
FMA Development, LLC
1005 39th Ave NE
Great Falls, Montana 59404
USA
On 10/6/2013 9:14 PM, Jimmy Chen wrote:
Hello,
We generate several segments of polygonal meshes and our client wants
to store them into a single file and to view on Paraview. Since the
data contains several pre-segmented mesh pieces, they want to view
each piece separately in Paraview. Is there a file format supporting
composite datasets and has a Paraview interface to show some of them?
We have looked into .vtp and .pvtp formats.
For .vtp XML format, although we can store different segment in
different <piece> tags, Paraview seem to regard them as one piece of
data.
For .pvtp format, each component is stored into a different file,
which is not what our client want.
Although we can always create our reader plugin for Paraview, I am
wondering whether there already exists this kind of file format saving
segments in one file, with a segment-selectable Paraview interface.
Thanks and have a nice day.
Jimmy Chen
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<?xml version="1.0"?>
<!--
Title: FRAME SECTION (w/ SUBCYCLING)
Program: FMA-3D
Version: V29.06
Date: 03-MAY-2007
Time: 09:02:20
-->
<!--
Last Problem Time: 2.0000687E-02
Last Cycle Number: 3551
-->
<VTKFile type="Collection" version="0.1" byte_order="LittleEndian">
<Collection>
<DataSet timestep="0001" part="000" file="fmavto.m001.t001.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0001" part="000" file="fmavto.m002.t001.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0001" part="000" file="fmavto.m003.t001.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0001" part="000" file="fmavto.m004.t001.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0002" part="000" file="fmavto.m001.t002.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0002" part="000" file="fmavto.m002.t002.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0002" part="000" file="fmavto.m003.t002.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0002" part="000" file="fmavto.m004.t002.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0003" part="000" file="fmavto.m001.t003.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0003" part="000" file="fmavto.m002.t003.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0003" part="000" file="fmavto.m003.t003.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0003" part="000" file="fmavto.m004.t003.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0004" part="000" file="fmavto.m001.t004.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0004" part="000" file="fmavto.m002.t004.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0004" part="000" file="fmavto.m003.t004.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0004" part="000" file="fmavto.m004.t004.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0005" part="000" file="fmavto.m001.t005.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0005" part="000" file="fmavto.m002.t005.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0005" part="000" file="fmavto.m003.t005.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0005" part="000" file="fmavto.m004.t005.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0006" part="000" file="fmavto.m001.t006.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0006" part="000" file="fmavto.m002.t006.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0006" part="000" file="fmavto.m003.t006.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0006" part="000" file="fmavto.m004.t006.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0007" part="000" file="fmavto.m001.t007.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0007" part="000" file="fmavto.m002.t007.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0007" part="000" file="fmavto.m003.t007.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0007" part="000" file="fmavto.m004.t007.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0008" part="000" file="fmavto.m001.t008.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0008" part="000" file="fmavto.m002.t008.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0008" part="000" file="fmavto.m003.t008.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0008" part="000" file="fmavto.m004.t008.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0009" part="000" file="fmavto.m001.t009.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0009" part="000" file="fmavto.m002.t009.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0009" part="000" file="fmavto.m003.t009.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0009" part="000" file="fmavto.m004.t009.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0010" part="000" file="fmavto.m001.t010.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0010" part="000" file="fmavto.m002.t010.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0010" part="000" file="fmavto.m003.t010.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0010" part="000" file="fmavto.m004.t010.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
<DataSet timestep="0011" part="000" file="fmavto.m001.t011.vtu" name="Asmb:FRAME Part:FRONT Matl:ALUMINUM"/>
<DataSet timestep="0011" part="000" file="fmavto.m002.t011.vtu" name="Asmb:FRAME Part:CORNER Matl:ALUMINUM"/>
<DataSet timestep="0011" part="000" file="fmavto.m003.t011.vtu" name="Asmb:FRAME Part:BASE Matl:ALUMINUM"/>
<DataSet timestep="0011" part="000" file="fmavto.m004.t011.vtu" name="Asmb:IMPACTOR Part:BLIVET Matl:ALUMINUM"/>
</Collection>
</VTKFile>
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